URL: https://becher-feedback.smartfactory-owl.de/
Submission: On June 16 via automatic, source certstream-suspicious — Scanned from DE

Summary

This website contacted 2 IPs in 1 countries across 2 domains to perform 9 HTTP transactions. The main IP is 153.97.102.194, located in Schwielowsee, Germany and belongs to DFN Verein zur Foerderung eines Deutschen Forschungsnetzes e.V., DE. The main domain is becher-feedback.smartfactory-owl.de.
TLS certificate: Issued by GEANT OV RSA CA 4 on June 16th 2023. Valid for: a year.
This is the only time becher-feedback.smartfactory-owl.de was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
7 153.97.102.194 680 (DFN Verei...)
2 2a00:1450:400... 15169 (GOOGLE)
9 2
Domain Requested by
7 becher-feedback.smartfactory-owl.de becher-feedback.smartfactory-owl.de
2 fonts.gstatic.com becher-feedback.smartfactory-owl.de
9 2

This site contains no links.

Subject Issuer Validity Valid
becher-shop.smartfactory-owl.de
GEANT OV RSA CA 4
2023-06-16 -
2024-06-15
a year crt.sh
*.gstatic.com
GTS CA 1C3
2023-05-22 -
2023-08-14
3 months crt.sh

This page contains 1 frames:

Primary Page: https://becher-feedback.smartfactory-owl.de/
Frame ID: AA769692CE7AF9402EAEDC8602D596B7
Requests: 9 HTTP requests in this frame

Screenshot

Page Title

Feedback CUNA Cups

Detected technologies

Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]*?bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.css

Page Statistics

9
Requests

100 %
HTTPS

50 %
IPv6

2
Domains

2
Subdomains

2
IPs

1
Countries

590 kB
Transfer

1244 kB
Size

0
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

9 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
becher-feedback.smartfactory-owl.de/
10 KB
3 KB
Document
General
Full URL
https://becher-feedback.smartfactory-owl.de/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
153.97.102.194 Schwielowsee, Germany, ASN680 (DFN Verein zur Foerderung eines Deutschen Forschungsnetzes e.V., DE),
Reverse DNS
serv6.smartfactory.iosb-ina.fhg.de
Software
nginx/1.25.1 /
Resource Hash
9dbd737fe6b2f8d9245fa46d656a6985f7c62e21a172e2d08f5269d12d48e7ff

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.133 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

Accept-Ranges
bytes
Connection
Keep-Alive
Content-Encoding
gzip
Content-Length
2257
Content-Type
text/html
Date
Fri, 16 Jun 2023 12:26:29 GMT
ETag
"648c1d29-2700-gzip"
Keep-Alive
timeout=5, max=100
Last-Modified
Fri, 16 Jun 2023 08:28:25 GMT
Server
nginx/1.25.1
Vary
Accept-Encoding
runtime.0836a45182d10e44.js
becher-feedback.smartfactory-owl.de/
908 B
894 B
Script
General
Full URL
https://becher-feedback.smartfactory-owl.de/runtime.0836a45182d10e44.js
Requested by
Host: becher-feedback.smartfactory-owl.de
URL: https://becher-feedback.smartfactory-owl.de/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
153.97.102.194 Schwielowsee, Germany, ASN680 (DFN Verein zur Foerderung eines Deutschen Forschungsnetzes e.V., DE),
Reverse DNS
serv6.smartfactory.iosb-ina.fhg.de
Software
nginx/1.25.1 /
Resource Hash
3f766ce3038da4807500cba19e10e3e45cbb1122f3c46947e79bdf42647a7301

Request headers

Referer
https://becher-feedback.smartfactory-owl.de/
Origin
https://becher-feedback.smartfactory-owl.de
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.133 Safari/537.36

Response headers

Date
Fri, 16 Jun 2023 12:26:30 GMT
Content-Encoding
gzip
Last-Modified
Fri, 16 Jun 2023 08:28:25 GMT
Server
nginx/1.25.1
ETag
"648c1d29-38c-gzip"
Vary
Accept-Encoding
Content-Type
application/javascript
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=99
Content-Length
560
polyfills.7dd7b0175c95cdba.js
becher-feedback.smartfactory-owl.de/
34 KB
13 KB
Script
General
Full URL
https://becher-feedback.smartfactory-owl.de/polyfills.7dd7b0175c95cdba.js
Requested by
Host: becher-feedback.smartfactory-owl.de
URL: https://becher-feedback.smartfactory-owl.de/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
153.97.102.194 Schwielowsee, Germany, ASN680 (DFN Verein zur Foerderung eines Deutschen Forschungsnetzes e.V., DE),
Reverse DNS
serv6.smartfactory.iosb-ina.fhg.de
Software
nginx/1.25.1 /
Resource Hash
3b99e0749457a5234b27b663da020d1ebb207c60d5f81e4bbc4250651a1a3450

Request headers

Referer
https://becher-feedback.smartfactory-owl.de/
Origin
https://becher-feedback.smartfactory-owl.de
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.133 Safari/537.36

Response headers

Date
Fri, 16 Jun 2023 12:26:30 GMT
Content-Encoding
gzip
Last-Modified
Fri, 16 Jun 2023 08:28:25 GMT
Server
nginx/1.25.1
ETag
"648c1d29-8989-gzip"
Vary
Accept-Encoding
Content-Type
application/javascript
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=98
Content-Length
12524
main.961b5799c3238c73.js
becher-feedback.smartfactory-owl.de/
554 KB
153 KB
Script
General
Full URL
https://becher-feedback.smartfactory-owl.de/main.961b5799c3238c73.js
Requested by
Host: becher-feedback.smartfactory-owl.de
URL: https://becher-feedback.smartfactory-owl.de/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
153.97.102.194 Schwielowsee, Germany, ASN680 (DFN Verein zur Foerderung eines Deutschen Forschungsnetzes e.V., DE),
Reverse DNS
serv6.smartfactory.iosb-ina.fhg.de
Software
nginx/1.25.1 /
Resource Hash
60b97bef91cdcfaff4de1bbe9fa977fea7f86b7cf96220de45fe82b8d494894e

Request headers

Referer
https://becher-feedback.smartfactory-owl.de/
Origin
https://becher-feedback.smartfactory-owl.de
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.133 Safari/537.36

Response headers

Date
Fri, 16 Jun 2023 12:26:30 GMT
Content-Encoding
gzip
Last-Modified
Fri, 16 Jun 2023 08:28:25 GMT
Server
nginx/1.25.1
ETag
"648c1d29-8a77e-gzip"
Vary
Accept-Encoding
Transfer-Encoding
chunked
Content-Type
application/javascript
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=100
styles.7840c3ecb93f1380.css
becher-feedback.smartfactory-owl.de/
262 KB
36 KB
Stylesheet
General
Full URL
https://becher-feedback.smartfactory-owl.de/styles.7840c3ecb93f1380.css
Requested by
Host: becher-feedback.smartfactory-owl.de
URL: https://becher-feedback.smartfactory-owl.de/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
153.97.102.194 Schwielowsee, Germany, ASN680 (DFN Verein zur Foerderung eines Deutschen Forschungsnetzes e.V., DE),
Reverse DNS
serv6.smartfactory.iosb-ina.fhg.de
Software
nginx/1.25.1 /
Resource Hash
98e75aa121234510ead862f090263468779cc35d59a5412149d678e27592674d

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://becher-feedback.smartfactory-owl.de/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.133 Safari/537.36

Response headers

Date
Fri, 16 Jun 2023 12:26:30 GMT
Content-Encoding
gzip
Last-Modified
Fri, 16 Jun 2023 08:28:25 GMT
Server
nginx/1.25.1
ETag
"648c1d29-4163c-gzip"
Vary
Accept-Encoding
Content-Type
text/css
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=100
Content-Length
36290
KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2
fonts.gstatic.com/s/roboto/v30/
11 KB
11 KB
Font
General
Full URL
https://fonts.gstatic.com/s/roboto/v30/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2
Requested by
Host: becher-feedback.smartfactory-owl.de
URL: https://becher-feedback.smartfactory-owl.de/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:806::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
796de064b8d80eba7ccacb8ba67d77fdbcdf4b385c844645d452c24537b3108f
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://becher-feedback.smartfactory-owl.de/
Origin
https://becher-feedback.smartfactory-owl.de
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.133 Safari/537.36

Response headers

date
Sat, 10 Jun 2023 16:59:24 GMT
x-content-type-options
nosniff
age
502026
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
11028
x-xss-protection
0
last-modified
Wed, 11 May 2022 19:24:50 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Sun, 09 Jun 2024 16:59:24 GMT
Cuna_Logo_DUNKEL-PNG.png
becher-feedback.smartfactory-owl.de/assets/
348 KB
348 KB
Image
General
Full URL
https://becher-feedback.smartfactory-owl.de/assets/Cuna_Logo_DUNKEL-PNG.png
Requested by
Host: becher-feedback.smartfactory-owl.de
URL: https://becher-feedback.smartfactory-owl.de/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
153.97.102.194 Schwielowsee, Germany, ASN680 (DFN Verein zur Foerderung eines Deutschen Forschungsnetzes e.V., DE),
Reverse DNS
serv6.smartfactory.iosb-ina.fhg.de
Software
nginx/1.25.1 /
Resource Hash
2e8deeb4042eed44608a3fc015ffe86993b5f78b098dda075a24c97d8d6ce70b

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://becher-feedback.smartfactory-owl.de/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.133 Safari/537.36

Response headers

Date
Fri, 16 Jun 2023 12:26:30 GMT
Last-Modified
Fri, 16 Jun 2023 08:28:25 GMT
Server
nginx/1.25.1
ETag
"648c1d29-56f0e"
Content-Type
image/png
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=99
Content-Length
356110
fraunhofer_black.png
becher-feedback.smartfactory-owl.de/assets/
15 KB
15 KB
Image
General
Full URL
https://becher-feedback.smartfactory-owl.de/assets/fraunhofer_black.png
Requested by
Host: becher-feedback.smartfactory-owl.de
URL: https://becher-feedback.smartfactory-owl.de/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
153.97.102.194 Schwielowsee, Germany, ASN680 (DFN Verein zur Foerderung eines Deutschen Forschungsnetzes e.V., DE),
Reverse DNS
serv6.smartfactory.iosb-ina.fhg.de
Software
nginx/1.25.1 /
Resource Hash
edaec13ebf506b9f6876d098dd472bff6fb88c1cfeb1e601eb15be35afae9c4c

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://becher-feedback.smartfactory-owl.de/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.133 Safari/537.36

Response headers

Date
Fri, 16 Jun 2023 12:26:30 GMT
Last-Modified
Fri, 16 Jun 2023 08:28:25 GMT
Server
nginx/1.25.1
ETag
"648c1d29-3a05"
Content-Type
image/png
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=99
Content-Length
14853
KFOlCnqEu92Fr1MmEU9fBBc4AMP6lQ.woff2
fonts.gstatic.com/s/roboto/v30/
11 KB
11 KB
Font
General
Full URL
https://fonts.gstatic.com/s/roboto/v30/KFOlCnqEu92Fr1MmEU9fBBc4AMP6lQ.woff2
Requested by
Host: becher-feedback.smartfactory-owl.de
URL: https://becher-feedback.smartfactory-owl.de/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:806::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
bce2f309470952b7affa62ff4d91b454334c68cefa541429b502904d20696875
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://becher-feedback.smartfactory-owl.de/
Origin
https://becher-feedback.smartfactory-owl.de
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.133 Safari/537.36

Response headers

date
Sat, 10 Jun 2023 16:59:24 GMT
x-content-type-options
nosniff
age
502026
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
11072
x-xss-protection
0
last-modified
Wed, 11 May 2022 19:24:53 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Sun, 09 Jun 2024 16:59:24 GMT

Verdicts & Comments Add Verdict or Comment

153 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

boolean| credentialless object| onbeforetoggle object| onscrollend object| webpackChunkNewWebinterface function| $localize function| Zone function| __zone_symbol__Promise function| __zone_symbol__fetch function| __zone_symbol__queueMicrotask function| __zone_symbol__setTimeout function| __zone_symbol__clearTimeout function| __zone_symbol__setInterval function| __zone_symbol__clearInterval function| __zone_symbol__requestAnimationFrame function| __zone_symbol__cancelAnimationFrame function| __zone_symbol__webkitRequestAnimationFrame function| __zone_symbol__webkitCancelAnimationFrame function| __zone_symbol__alert function| __zone_symbol__prompt function| __zone_symbol__confirm function| __zone_symbol__MutationObserver function| __zone_symbol__WebKitMutationObserver function| __zone_symbol__IntersectionObserver function| __zone_symbol__FileReader boolean| __zone_symbol__ononsearchpatched boolean| __zone_symbol__ononappinstalledpatched boolean| __zone_symbol__ononbeforeinstallpromptpatched boolean| __zone_symbol__ononbeforexrselectpatched boolean| __zone_symbol__ononabortpatched boolean| __zone_symbol__ononbeforeinputpatched boolean| __zone_symbol__ononblurpatched boolean| __zone_symbol__ononcancelpatched boolean| __zone_symbol__ononcanplaypatched boolean| __zone_symbol__ononcanplaythroughpatched boolean| __zone_symbol__ononchangepatched boolean| __zone_symbol__ononclickpatched boolean| __zone_symbol__ononclosepatched boolean| __zone_symbol__ononcontextlostpatched boolean| __zone_symbol__ononcontextmenupatched boolean| __zone_symbol__ononcontextrestoredpatched boolean| __zone_symbol__ononcuechangepatched boolean| __zone_symbol__onondblclickpatched boolean| __zone_symbol__onondragpatched boolean| __zone_symbol__onondragendpatched boolean| __zone_symbol__onondragenterpatched boolean| __zone_symbol__onondragleavepatched boolean| __zone_symbol__onondragoverpatched boolean| __zone_symbol__onondragstartpatched boolean| __zone_symbol__onondroppatched boolean| __zone_symbol__onondurationchangepatched boolean| __zone_symbol__ononemptiedpatched boolean| __zone_symbol__ononendedpatched boolean| __zone_symbol__ononerrorpatched boolean| __zone_symbol__ononfocuspatched boolean| __zone_symbol__ononformdatapatched boolean| __zone_symbol__ononinputpatched boolean| __zone_symbol__ononinvalidpatched boolean| __zone_symbol__ononkeydownpatched boolean| __zone_symbol__ononkeypresspatched boolean| __zone_symbol__ononkeyuppatched boolean| __zone_symbol__ononloadpatched boolean| __zone_symbol__ononloadeddatapatched boolean| __zone_symbol__ononloadedmetadatapatched boolean| __zone_symbol__ononloadstartpatched boolean| __zone_symbol__ononmousedownpatched boolean| __zone_symbol__ononmouseenterpatched boolean| __zone_symbol__ononmouseleavepatched boolean| __zone_symbol__ononmousemovepatched boolean| __zone_symbol__ononmouseoutpatched boolean| __zone_symbol__ononmouseoverpatched boolean| __zone_symbol__ononmouseuppatched boolean| __zone_symbol__ononmousewheelpatched boolean| __zone_symbol__ononpausepatched boolean| __zone_symbol__ononplaypatched boolean| __zone_symbol__ononplayingpatched boolean| __zone_symbol__ononprogresspatched boolean| __zone_symbol__ononratechangepatched boolean| __zone_symbol__ononresetpatched boolean| __zone_symbol__ononresizepatched boolean| __zone_symbol__ononscrollpatched boolean| __zone_symbol__ononsecuritypolicyviolationpatched boolean| __zone_symbol__ononseekedpatched boolean| __zone_symbol__ononseekingpatched boolean| __zone_symbol__ononselectpatched boolean| __zone_symbol__ononslotchangepatched boolean| __zone_symbol__ononstalledpatched boolean| __zone_symbol__ononsubmitpatched boolean| __zone_symbol__ononsuspendpatched boolean| __zone_symbol__onontimeupdatepatched boolean| __zone_symbol__onontogglepatched boolean| __zone_symbol__ononvolumechangepatched boolean| __zone_symbol__ononwaitingpatched boolean| __zone_symbol__ononwebkitanimationendpatched boolean| __zone_symbol__ononwebkitanimationiterationpatched boolean| __zone_symbol__ononwebkitanimationstartpatched boolean| __zone_symbol__ononwebkittransitionendpatched boolean| __zone_symbol__ononwheelpatched boolean| __zone_symbol__ononauxclickpatched boolean| __zone_symbol__onongotpointercapturepatched boolean| __zone_symbol__ononlostpointercapturepatched boolean| __zone_symbol__ononpointerdownpatched boolean| __zone_symbol__ononpointermovepatched boolean| __zone_symbol__ononpointerrawupdatepatched boolean| __zone_symbol__ononpointeruppatched boolean| __zone_symbol__ononpointercancelpatched boolean| __zone_symbol__ononpointeroverpatched boolean| __zone_symbol__ononpointeroutpatched boolean| __zone_symbol__ononpointerenterpatched boolean| __zone_symbol__ononpointerleavepatched boolean| __zone_symbol__ononselectstartpatched boolean| __zone_symbol__ononselectionchangepatched boolean| __zone_symbol__ononanimationendpatched boolean| __zone_symbol__ononanimationiterationpatched boolean| __zone_symbol__ononanimationstartpatched boolean| __zone_symbol__onontransitionrunpatched boolean| __zone_symbol__onontransitionstartpatched boolean| __zone_symbol__onontransitionendpatched boolean| __zone_symbol__onontransitioncancelpatched boolean| __zone_symbol__ononafterprintpatched boolean| __zone_symbol__ononbeforeprintpatched boolean| __zone_symbol__ononbeforeunloadpatched boolean| __zone_symbol__ononhashchangepatched boolean| __zone_symbol__ononlanguagechangepatched boolean| __zone_symbol__ononmessagepatched boolean| __zone_symbol__ononmessageerrorpatched boolean| __zone_symbol__ononofflinepatched boolean| __zone_symbol__onononlinepatched boolean| __zone_symbol__ononpagehidepatched boolean| __zone_symbol__ononpageshowpatched boolean| __zone_symbol__ononpopstatepatched boolean| __zone_symbol__ononrejectionhandledpatched boolean| __zone_symbol__ononstoragepatched boolean| __zone_symbol__ononunhandledrejectionpatched boolean| __zone_symbol__ononunloadpatched boolean| __zone_symbol__onondevicemotionpatched boolean| __zone_symbol__onondeviceorientationpatched boolean| __zone_symbol__onondeviceorientationabsolutepatched boolean| __zone_symbol__ononbeforematchpatched boolean| __zone_symbol__ononbeforetogglepatched boolean| __zone_symbol__ononcontentvisibilityautostatechangepatched boolean| __zone_symbol__ononscrollendpatched function| getAngularTestability function| getAllAngularTestabilities function| getAllAngularRootElements object| frameworkStabilizers object| __zone_symbol__popstatefalse object| __zone_symbol__hashchangefalse function| __zone_symbol__addEventListener function| __zone_symbol__removeEventListener undefined| __zone_symbol__eventListeners undefined| __zone_symbol__removeAllListeners function| eventListeners function| removeAllListeners

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